Gerryc

Here is one done with a tube surrounding the manifold with 2 oil holes piped into oil cooler lines before  cooler

Also heat transfers more readily from a liquid to a solid because more molecules are in contact.

Solid to air needs more area.Even with a radiator or an oil cooler there is a smooth fluid channel or tube and a finned 

outer surface in contact with the air. 

Angle of attack is to do with the angle of the airfoil to the relative wind.Until people understand where the relative wind is they will have trouble.

I have just been reading Fly Better by Noel Kruse. What I got out of it is if you have your stick hard against your balls you are either stalled or about to.

4 hours ago, facthunter said:

Where has the "D" motor gone?

Still in production and now with a supercharged option.  https://www.d-motor.eu/

Electrical story.

Electrician was up ladder with apprentice holding ladder.Electricians leg starts shaking around so apprentice kicks ladder out from under him dumping him on the ground.

What the hell was that for the Electrician asked.

I thought you were getting a shock the Apprentice replied.

No I dropped a screw down inside my trousers and was shaking it out.

I am retired and a full time builder of a Gazaile 2 2 seater low wing microlight.